Finding the Fourth Proportional to 10,821.42, 16,231.32 and 3,801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,821.42 : 16,231.32 = 3,801.50 : x
2. Step 2: Convert to fraction form
   10,821.42/16,231.32 = 3,801.50/x
3. Step 3: Cross multiply
   10,821.42x = 16,231.32 × 3,801.50
4. Step 4: Simplify right side
   10,821.42x = 61,703,362.98
5. Step 5: Solve for x
   x = 61,703,362.98/10,821.42
6. Step 6: Final answer
   x = 5,701.97